Impaired Health Its Cause and Cure: A Repudiation of the Conventional Treatment of Disease, by Dr. John H. Tilden. This book, "Diseases Of The Digestive System", by Frank Billings, is a replication of a book originally published before 1909. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.